CITY REPORT CA

Lower Lake, CA Home Safety: Home Safety Score unavailable

1 ZIP code · 2 water systems · Updated

Data: EPA SDWIS

1
ZIP Codes
2
Water Systems
0
ZIPs with Violations
Zone 3
Radon Risk (Low)
$414K
Median Home Value
$1,200
Est. Remediation (0.3% of home value)

What You Should Know About Lower Lake Water

  • Homes built before 1986: 51% - older plumbing may contain lead solder.
  • Estimated remediation: $1,200 per household.
  • CDC health risk index: 14.48 - above typical levels.

Who Supplies Your Water in Lower Lake

2 water utilities share the residential service territory in Lower Lake, CA - out of 2 total systems in federal records.

Overview

We track home safety data for 1 ZIP code in Lower Lake, California (population ~3,036), covering 2 community water systems serving approximately 10,595 people region-wide. The EPA snapshots used for this build directly map water systems to 1 of 1 ZIP codes.

The available EPA record reports 0 violations for 1 ZIP code with a reported violation count.

Water Sources

Lower Lake water systems draw from: Groundwater, Surface water.

Lead & Copper

  • Average lead level (90th percentile): 0.0000 mg/L (EPA action level: 0.015 mg/L)
  • 0 of 1 ZIP code with known status exceed the EPA lead action level

Radon Risk

Dominant radon zone: Zone 3 (Low Risk)

Areas with No Violations

ZIP Code Safety Score System Population
95457 Mt. Konocti Mutual Water Company 4,360

All ZIP Codes in Lower Lake

Data Sources

Reporting periods vary by source. Missing data is shown as unavailable, not as zero.

Health Outcomes in Lower Lake

10.8%
Asthma (US: 9.8%)
14.1%
Diabetes (US: 10.4%)
18.1%
Poor Mental Health (US: 14.8%)

Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.

Compared to National Average

Asthma 10.8% ↑
Diabetes 14.1% ↑
Mental Health 18.1% ↑

Vertical line = national average. Above national · Below national

Housing & Infrastructure in Lower Lake

1984
Median Build Year
51%
Built Before 1986
15%
Built Before 1970
Copper
Likely Pipe Material

With 51% of homes built before 1986, lead solder in plumbing is a potential concern. The EPA banned lead solder in 1986, but many older homes retain original plumbing.

Source: U.S. Census Bureau American Community Survey (ACS).

Housing Age Profile

The lead that enters tap water in older homes often comes not from the municipal supply but from the home's own plumbing - from solder used in copper joints before the 1986 federal ban, or from lead pipes installed before 1970. In Lower Lake, where the median build year is 1984, these older materials are widespread. More than half the residential stock predates the 1986 solder ban, and a significant fraction predates 1970 as well. For residents in those homes, the city-wide water quality picture is a less relevant frame than the specific materials inside their own walls and under their own street.

1984
Median Year Built
51%
Pre-1986 (Lead Paint Risk)
15%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (15%) 1970–1986 (36%) Post-1986 (49%)

Over half of homes in Lower Lake were built before 1986, when lead solder was banned. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.

Source: U.S. Census Bureau ACS B25034.

Cost Context: What Remediation Means for Lower Lake Homeowners

Property equity in Lower Lake runs well ahead of estimated remediation costs - a cost-to-value ratio that sits in the low tier, meaning documented water and safety issues here are the kind homeowners can plan to address without treating the expense as a significant budget event relative to what their homes are worth.

Median Home Value
$414,100
Est. Remediation
$1,200
Remediation as % of home value 0.3%

Remediation costs in Lower Lake are relatively low compared to home values. The $800–$1,800 estimated range is a small fraction of median property value. Home values are 44% below the California average.

Lead Exposure Risk for Children in Lower Lake

51%
Homes Built Before 1986

Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.

Locally, 51% of Lower Lake homes carry interior plumbing from the era when lead solder was still permitted in new builds, and citywide monitoring approaches or crosses the EPA action benchmark. Households can find a draw-test kit and certified filtration through verified retailers.

Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.

Historical NFIP Claim Context in Lower Lake

39
Total FEMA Flood Claims
$10,514
Avg Reported Sum With Payment Data
0%
A/V Share of Claim-Record ZIPs

Historical NFIP data for Lower Lake contains 39 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $10,514. Among ZIP codes with claim records, 0% have an A- or V-family dominant rated zone recorded in those historical claims. This is not a complete current FEMA property-map inventory.

How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. The <strong>$1,200</strong> remediation estimate shown here excludes flood insurance and is not derived from NFIP claim count.

Claim count does not establish current property risk. Check the exact address in FEMA's current map and obtain a property-specific insurance quote when relevant.

Source: historical FEMA National Flood Insurance Program (NFIP) claim records. No current FEMA property-map designation is asserted.

Frequently Asked Questions

How many water systems serve Lower Lake?
Lower Lake is served by 2 public water systems across 1 ZIP code, serving approximately 3,036 people.
How much does it cost to fix water issues in Lower Lake?
Estimated remediation costs in Lower Lake average $1,200 per household, ranging from $800 to $1,800. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
HomeCitiesCalifornia → Lower Lake, CA

How to cite this page

APA ZipCheckup. (2026). Lower Lake, CA Home Safety: Home Safety Score unavailable. https://zipcheckup.com/cities/ca/lower-lake/
BibTeX
@misc{zipcheckup-cities-ca-lower-lake,
  author = {{ZipCheckup}},
  title  = {{Lower Lake, CA Home Safety: Home Safety Score unavailable}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/ca/lower-lake/}
}

Page version: August 2026.

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